Finding the Fourth Proportional to 300,272.73, 414,526.32 and 172,923.72

Step by Step Solution

1. Step 1: Write the proportion equation
   300,272.73 : 414,526.32 = 172,923.72 : x
2. Step 2: Convert to fraction form
   300,272.73/414,526.32 = 172,923.72/x
3. Step 3: Cross multiply
   300,272.73x = 414,526.32 × 172,923.72
4. Step 4: Simplify right side
   300,272.73x = 71,681,433,292.31
5. Step 5: Solve for x
   x = 71,681,433,292.31/300,272.73
6. Step 6: Final answer
   x = 238,721.09